121100211220102 has 32 divisors (see below), whose sum is σ = 185484381096960. Its totient is φ = 59283703876320.

The previous prime is 121100211220069. The next prime is 121100211220111. The reversal of 121100211220102 is 201022112001121.

It is a super-2 number, since 2×121100211220102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23845849 + ... + 28474987.

It is an arithmetic number, because the mean of its divisors is an integer number (5796386909280).

Almost surely, 2^{121100211220102} is an apocalyptic number.

121100211220102 is a deficient number, since it is larger than the sum of its proper divisors (64384169876858).

121100211220102 is a wasteful number, since it uses less digits than its factorization.

121100211220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630396.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121100211220102 its reverse (201022112001121), we get a palindrome (322122323221223).

The spelling of 121100211220102 in words is "one hundred twenty-one trillion, one hundred billion, two hundred eleven million, two hundred twenty thousand, one hundred two".